forked from AuroraMiddleware/gtk
range: add a gadget for the whole widget area
This commit introduces another node, called "contents", that holds the main contents of the range. This allows for the main gadget itself to span across the whole surface of the widget now.
This commit is contained in:
Cosimo Cecchi
parent
a9ea544f3d
commit
d1433c25f3
148
gtk/gtkrange.c
148
gtk/gtkrange.c
@ -103,6 +103,7 @@ struct _GtkRangePrivate
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* a b c d
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*/
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GtkCssGadget *gadget;
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GtkCssGadget *contents_gadget;
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GtkCssGadget *stepper_a_gadget;
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GtkCssGadget *stepper_b_gadget;
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GtkCssGadget *stepper_c_gadget;
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@ -296,7 +297,26 @@ static gboolean gtk_range_render_trough (GtkCssGadget *gadget,
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int width,
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int height,
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gpointer user_data);
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static void gtk_range_measure (GtkCssGadget *gadget,
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GtkOrientation orientation,
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gint for_size,
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gint *minimum,
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gint *natural,
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gint *minimum_baseline,
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gint *natural_baseline,
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gpointer user_data);
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static void gtk_range_allocate (GtkCssGadget *gadget,
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const GtkAllocation *allocation,
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int baseline,
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GtkAllocation *out_clip,
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gpointer data);
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static gboolean gtk_range_render (GtkCssGadget *gadget,
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cairo_t *cr,
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int x,
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int y,
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int width,
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int height,
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gpointer user_data);
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G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GtkRange, gtk_range, GTK_TYPE_WIDGET,
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G_ADD_PRIVATE (GtkRange)
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@ -665,13 +685,13 @@ gtk_range_sync_orientation (GtkRange *range)
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orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (range));
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_gtk_orientable_set_style_classes (GTK_ORIENTABLE (range));
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gtk_box_gadget_set_orientation (GTK_BOX_GADGET (priv->gadget), orientation);
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gtk_box_gadget_set_orientation (GTK_BOX_GADGET (priv->contents_gadget), orientation);
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if (orientation == GTK_ORIENTATION_VERTICAL)
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gtk_box_gadget_set_gadget_expand (GTK_BOX_GADGET (priv->gadget),
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gtk_box_gadget_set_gadget_expand (GTK_BOX_GADGET (priv->contents_gadget),
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priv->trough_gadget, FALSE, TRUE);
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else
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gtk_box_gadget_set_gadget_expand (GTK_BOX_GADGET (priv->gadget),
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gtk_box_gadget_set_gadget_expand (GTK_BOX_GADGET (priv->contents_gadget),
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priv->trough_gadget, TRUE, FALSE);
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}
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@ -803,8 +823,15 @@ gtk_range_init (GtkRange *range)
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_gtk_orientable_set_style_classes (GTK_ORIENTABLE (range));
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widget_node = gtk_widget_get_css_node (GTK_WIDGET (range));
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priv->gadget = gtk_box_gadget_new_for_node (widget_node, GTK_WIDGET (range));
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priv->gadget = gtk_css_custom_gadget_new_for_node (widget_node,
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GTK_WIDGET (range),
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gtk_range_measure,
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gtk_range_allocate,
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gtk_range_render,
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NULL, NULL);
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priv->contents_gadget = gtk_box_gadget_new ("contents",
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GTK_WIDGET (range),
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priv->gadget, NULL);
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priv->trough_gadget = gtk_css_custom_gadget_new ("trough",
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GTK_WIDGET (range),
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NULL, NULL,
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@ -814,7 +841,7 @@ gtk_range_init (GtkRange *range)
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NULL, NULL);
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gtk_css_gadget_set_state (priv->trough_gadget,
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gtk_css_node_get_state (widget_node));
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gtk_box_gadget_insert_gadget (GTK_BOX_GADGET (priv->gadget), -1, priv->trough_gadget,
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gtk_box_gadget_insert_gadget (GTK_BOX_GADGET (priv->contents_gadget), -1, priv->trough_gadget,
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TRUE, FALSE, GTK_ALIGN_CENTER);
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priv->slider_gadget = gtk_builtin_icon_new ("slider",
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@ -1246,7 +1273,7 @@ gtk_range_get_range_rect (GtkRange *range,
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priv = range->priv;
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measure_one_gadget_alloc (range, priv->gadget, FALSE, range_rect);
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measure_one_gadget_alloc (range, priv->contents_gadget, FALSE, range_rect);
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}
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/**
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@ -1713,6 +1740,7 @@ gtk_range_destroy (GtkWidget *widget)
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g_clear_object (&priv->long_press_gesture);
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g_clear_object (&priv->gadget);
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g_clear_object (&priv->contents_gadget);
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g_clear_object (&priv->trough_gadget);
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g_clear_object (&priv->fill_gadget);
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g_clear_object (&priv->highlight_gadget);
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@ -1788,17 +1816,22 @@ gtk_range_measure_trough (GtkCssGadget *gadget,
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}
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static void
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gtk_range_size_request (GtkWidget *widget,
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GtkOrientation orientation,
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gint *minimum,
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gint *natural)
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gtk_range_measure (GtkCssGadget *gadget,
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GtkOrientation orientation,
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gint for_size,
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gint *minimum,
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gint *natural,
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gint *minimum_baseline,
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gint *natural_baseline,
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gpointer user_data)
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{
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GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
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GtkRange *range = GTK_RANGE (widget);
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GtkRangePrivate *priv = range->priv;
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GtkBorder border = { 0 };
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/* Measure the main box */
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gtk_css_gadget_get_preferred_size (priv->gadget,
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gtk_css_gadget_get_preferred_size (priv->contents_gadget,
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orientation,
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-1,
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minimum, natural,
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@ -1820,6 +1853,20 @@ gtk_range_size_request (GtkWidget *widget,
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}
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}
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static void
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gtk_range_size_request (GtkWidget *widget,
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GtkOrientation orientation,
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gint *minimum,
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gint *natural)
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{
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GtkRange *range = GTK_RANGE (widget);
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GtkRangePrivate *priv = range->priv;
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gtk_css_gadget_get_preferred_size (priv->gadget, orientation, -1,
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minimum, natural,
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NULL, NULL);
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}
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static void
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gtk_range_get_preferred_width (GtkWidget *widget,
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gint *minimum,
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@ -1955,11 +2002,11 @@ gtk_range_allocate_trough (GtkCssGadget *gadget,
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* give space to border over dimensions in one direction.
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*/
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static void
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clamp_dimensions (GtkAllocation *allocation,
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int *width,
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int *height,
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GtkBorder *border,
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gboolean border_expands_horizontally)
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clamp_dimensions (const GtkAllocation *allocation,
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int *width,
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int *height,
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GtkBorder *border,
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gboolean border_expands_horizontally)
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{
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gint extra, shortage;
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@ -2038,41 +2085,43 @@ clamp_dimensions (GtkAllocation *allocation,
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}
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static void
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gtk_range_allocate_box (GtkRange *range,
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GtkAllocation *out_clip)
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gtk_range_allocate (GtkCssGadget *gadget,
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const GtkAllocation *allocation,
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int baseline,
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GtkAllocation *out_clip,
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gpointer data)
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{
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GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
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GtkRange *range = GTK_RANGE (widget);
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GtkRangePrivate *priv = range->priv;
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GtkWidget *widget = GTK_WIDGET (range);
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GtkBorder border = { 0 };
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GtkAllocation box_alloc, widget_alloc;
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GtkAllocation box_alloc;
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int box_min_width, box_min_height;
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gtk_widget_get_allocation (widget, &widget_alloc);
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if (GTK_RANGE_GET_CLASS (range)->get_range_border)
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GTK_RANGE_GET_CLASS (range)->get_range_border (range, &border);
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measure_one_gadget (priv->gadget, &box_min_width, &box_min_height);
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measure_one_gadget (priv->contents_gadget, &box_min_width, &box_min_height);
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if (priv->orientation == GTK_ORIENTATION_VERTICAL)
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clamp_dimensions (&widget_alloc, &box_min_width, &box_min_height, &border, TRUE);
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clamp_dimensions (allocation, &box_min_width, &box_min_height, &border, TRUE);
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else
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clamp_dimensions (&widget_alloc, &box_min_width, &box_min_height, &border, FALSE);
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clamp_dimensions (allocation, &box_min_width, &box_min_height, &border, FALSE);
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box_alloc.x = border.left + widget_alloc.x;
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box_alloc.y = border.top + widget_alloc.y;
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box_alloc.x = border.left + allocation->x;
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box_alloc.y = border.top + allocation->y;
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box_alloc.width = box_min_width;
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box_alloc.height = box_min_height;
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gtk_css_gadget_allocate (priv->gadget,
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gtk_css_gadget_allocate (priv->contents_gadget,
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&box_alloc,
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gtk_widget_get_allocated_baseline (widget),
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baseline,
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out_clip);
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/* TODO: we should compute a proper clip from get_range_border(),
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* but this will at least give us outset shadows.
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*/
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gdk_rectangle_union (out_clip, &widget_alloc, out_clip);
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gdk_rectangle_union (out_clip, allocation, out_clip);
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}
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static void
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@ -2090,8 +2139,10 @@ gtk_range_size_allocate (GtkWidget *widget,
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allocation->x, allocation->y,
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allocation->width, allocation->height);
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gtk_range_allocate_box (range, &clip);
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gtk_css_gadget_allocate (priv->gadget,
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allocation,
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gtk_widget_get_allocated_baseline (widget),
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&clip);
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gtk_widget_set_clip (widget, &clip);
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}
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@ -2256,13 +2307,22 @@ gtk_range_render_trough (GtkCssGadget *gadget,
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}
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static gboolean
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gtk_range_draw (GtkWidget *widget,
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cairo_t *cr)
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gtk_range_render (GtkCssGadget *gadget,
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cairo_t *cr,
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int x,
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int y,
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int width,
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int height,
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gpointer user_data)
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{
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GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
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GtkRange *range = GTK_RANGE (widget);
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GtkRangePrivate *priv = range->priv;
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gboolean draw_trough = TRUE;
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/* HACK: we can't render the contents box directly because
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* GtkColorScale wants to omit the trough but still draw the slider...
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*/
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if (GTK_IS_COLOR_SCALE (widget))
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draw_trough = FALSE;
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@ -2281,6 +2341,18 @@ gtk_range_draw (GtkWidget *widget,
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if (priv->stepper_d_gadget)
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gtk_css_gadget_draw (priv->stepper_d_gadget, cr);
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return FALSE;
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}
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static gboolean
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gtk_range_draw (GtkWidget *widget,
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cairo_t *cr)
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{
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GtkRange *range = GTK_RANGE (widget);
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GtkRangePrivate *priv = range->priv;
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gtk_css_gadget_draw (priv->gadget, cr);
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return GDK_EVENT_PROPAGATE;
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}
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@ -3865,7 +3937,7 @@ sync_stepper_gadget (GtkRange *range,
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if (!should_have_stepper)
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{
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if (*gadget_ptr != NULL)
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gtk_box_gadget_remove_gadget (GTK_BOX_GADGET (priv->gadget), *gadget_ptr);
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gtk_box_gadget_remove_gadget (GTK_BOX_GADGET (priv->contents_gadget), *gadget_ptr);
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g_clear_object (gadget_ptr);
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return;
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}
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@ -3879,7 +3951,7 @@ sync_stepper_gadget (GtkRange *range,
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gtk_css_gadget_add_class (gadget, class);
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gtk_css_gadget_set_state (gadget, gtk_css_node_get_state (widget_node));
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gtk_box_gadget_insert_gadget_after (GTK_BOX_GADGET (priv->gadget), prev_sibling,
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gtk_box_gadget_insert_gadget_after (GTK_BOX_GADGET (priv->contents_gadget), prev_sibling,
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gadget, FALSE, FALSE, GTK_ALIGN_FILL);
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*gadget_ptr = gadget;
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}
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